Faital Pro Fe Series – 4′ Speaker 30 W 8 Ohm – Ferrite
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Faital Pro Fe Series – 4′ Speaker 30 W 8 Ohm – Ferrite
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Περιγραφή
Faital Pro Fe Series – 4′ Speaker 30 W 8 Ohm – Ferrite
Nominal Specifications
- Nominal Diameter 4″, 100 mm
- Overall Diameter 5.1/3.9″, 128.85/100.5 mm
- Bolt Circle Diameter 4.54″, 115.26 mm
- Baffle Cutout Diameter 3.60″, 91.5 mm
- Depth 2.30″, 58.3 mm
- Flange and Gasket Thickness 0.28″, 7.2 mm
Electrical Specifications
- Minimum Impedance 7.2 Ohm
- Nominal Impedance 8 Ohm
- Nominal Power Handling*** 30 W
- Maximum Power Handling**** 60 W
- Sensitivity (1W/1m) 91 dB
- Frequency Range 90 – 20,000 Hz
- Voice Coil Diameter 0.75″, 19 mm
- Winding Material Aluminium
- Former Material Kapton
- Winding Depth 0.26″, 6.8 mm
- Magnetic Gap Depth 0.16″, 4 mm
- Flux Density 1.5 T
THIELE & SMALL Parameters
- Resonant Frequency (fs) 100 Hz
- DC Resistance (Re) 6.5 Ohm
- BL Product (BL) 4.1 N/A
- Diaphragm Mass inc. Airload (Mms) 3.9 grams
- Mechanical Compliance of Suspension (Cms) 0.6 mm/N
- Rms 0.4 Kg/s
- Electromagnetic Q (Qes) 0.9
- Mechanical Q (Qms) 5.5
- Total Q (Qts) 0.8
- Compliance Equivalent Volume (Vas) 0.12 ft³, 3.4 dm³
- Surface Area of Cone (Sd) 9.86″², 63.62 cm²
- Maximum Linear Excursion (Xmax)* 2.73 mm
- Xdamage** 6.8 mm
- Coil Inductance (Le) 0.25 mH
- Diaphragm mass (Mmd) 3.6 g
- Eta Zero 0.39 %
Notes
- *Xmax = [(winding depth – magnetic gap depth) / 2] + (magnetic gap depth / 3)
- **Maximum excursion before permanent damage
- ***2 Hours Test According to AES 2-1984 Rev. 2003
- ****Maximum power is defined as 3dB greater than nominal power